Yu-Gi-Oh! 5D's - Episode 018, Yu-Gi-Oh! Wiki

quot;Return to the Spirit World, Part 1", known as "The Ancient Forest: Invitation to the Spirit World" in the Japanese version, is the eighteenth episode of the Yu-Gi-Oh! 5D's anime. It first aired in Japan on July 30, 2008. Due to Rex Goodwin's special permission, a consolation game is to be held. Luna is called to participate. Leo is unable to substitute and Luna reluctantly comes forward. Her opponent, Professor Frank, has a trip to the Duel Monsters Spirit World planned. Lazar talks with Frank

Yu-Gi-Oh! 5D's - Episode 065 - Yugipedia - Yu-Gi-Oh! wiki

Yu-Gi-Oh! The Dark Side of Dimensions - Wikipedia

Yu-Gi-Oh! 5D's Tag Force 4 - Yugipedia - Yu-Gi-Oh! wiki

Yu-Gi-Oh! Bonds Beyond Time - Wikipedia

Yu-Gi-Oh! 5D's - Episode 029, Yu-Gi-Oh! Wiki

Yu-Gi-Oh! 5D's - Episode 017, Yu-Gi-Oh! Wiki

Yu-Gi-Oh! 5D's - Episode 015, Yu-Gi-Oh! Wiki

Joey Wheeler - Yugipedia - Yu-Gi-Oh! wiki

Yu-Gi-Oh! 5D's - Episode 135 - Yugipedia - Yu-Gi-Oh! wiki

Yusei Fudo, Yu-Gi-Oh! Wiki